/*
* This file is part of LaTeXDraw.
* Copyright (c) 2005-2017 Arnaud BLOUIN
* LaTeXDraw is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later version.
* LaTeXDraw is distributed without any warranty; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
package net.sf.latexdraw.actions;
import java.util.Optional;
import net.sf.latexdraw.models.interfaces.shape.IShape;
import org.malai.action.ActionImpl;
/**
* @author Arnaud Blouin
* @param <T>
*/
public abstract class ShapeActionImpl<T extends IShape> extends ActionImpl implements ShapeAction<T> {
/** The shape to add. */
protected Optional<T> shape;
protected ShapeActionImpl() {
super();
shape = Optional.empty();
}
@Override
public void setShape(final T sh) {
shape = Optional.ofNullable(sh);
}
@Override
public Optional<T> getShape() {
return shape;
}
@Override
public boolean canDo() {
return shape.isPresent();
}
}